The criss-cross crunch is one of those moves that are constantly done with bad form! So here it is once and for all: . -Keep your elbows wide -Keep neck... | By
Criss Cross Crunches by Lolisente X - Exercise How-to - Skimble
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How To Do: The criss-cross crunch
Crisscross Crunch - YouTube
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Ari on Twitter: "2. Criss cross crunches. I like this workout as well because it's simple yet effective. Helps make your waist smaller. https://t.co/MnlxsMNnyN" / Twitter